ORCHTDS. 



301 



which they blossom may be prolonged for a considerable time. There 

 are many varieties, differing in the colour of the flowers. 



FIG. 637. i. Ansectochi'us argenteus, Brazil; 2. A. Lowii, Borneo ; 3. A. ordiana ; 4. A. (macodes^ petola, 

 Java ; 5. A. xan'hophyllu--, Ceylon ; 6. A. argenteus pictus, Bra/il ; 7. A. setaceus intermedius, Ceylon 

 8. A. Veitchii, Java ; 9. A. Dawsonianus, Kast Indies; 10. A. setaceus, Ceylon. 



The Odontoglossums are glorious flowers, from Central America. 

 The 0. grande (fig. 639) is a magnificent plant, and requires only 

 a moderate temperature: in fact, much heat destroys the plant. The 



Fir.. 638. Calamhe vc 



Fi<;. 639. Odontoglossum grande. 



O. Alexandria (fig. 640) is also a superb flower, and deserves to be largely 

 cultivated. The O, pulchcllum has a pretty little white flower. I have a 

 fine plant of the very beautiful O. Plialcenopsis (fig. 641), that was 

 given to me by Mr. Gassiot : it grows well in the fernery. The 



